Meanings
nounaddition (countable and uncountable, plural additions)
plural additions
- uncountableThe act of adding anything.
The addition of five more items to the agenda will make the meeting unbearably long.
Synonyms: adding, annexation, inclusion, infusion
- uncountablearithmeticThe arithmetic operation of adding.
- countableuncountableentertainmentA dot at the right side of a note as an indication that its sound is to be lengthened one half.
- countableuncountablelawA title annexed to a person's name to identify him or her more precisely.
[…]They clip vs drunkards, and with Swiniſh phraſe / Soyle our addition, and indeede it takes / From our atchieuements, though perform’d at height / The pith and marrow of our attribute[…]
c. 1599–1602 (date written), William Shakespeare, The Tragicall Historie of Hamlet, Prince of Denmarke: […] (Second Quarto), London: […] I[ames] R[oberts] for N[icholas] L[ing] […], published 1604, →OCLC, [Act I, scene iv] - countableuncountablegovernmentSomething added to a coat of arms, as a mark of honour.
Antonyms: abatement
- countableuncountablechemistryan organic reaction where two or more molecules combine to form a larger one (the adduct).
Synonyms & antonyms
nounThe act of adding anything.
nounAnything that is added.
Similar
nounSomething added to a coat of arms, as a mark of honour.
Opposite
Similar
antonym(s) of
Opposite
antonym(s) of “arithmetic operation”
Opposite
Opposite
More synonyms by meaning
nouna component that is added to something to improve it
Broader
nounthe arithmetic operation of summing; calculating the sum of two or more numbers
Similar
Broader
Also see
Synonym sets from Open English WordNet, CC BY 4.0.
Origin
- Proto-Indo-European*h₂éd
- Proto-Italic*ad
- Proto-Italic*ad-
- Latinad-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*dʰéh₁t
- Latinaddō
- Latinadditiō
- Old Frenchadition
- Middle Englishaddicioun
- Englishaddition
Sense of “what is added” dates from 14th century, from Middle English addicioun, addition, from Old French adition, from Latin additiōnem, accusative singular of additiō, from addō (“add, put”).
More words from Middle English, Old French, Latin
Full word history & related roots →Translations
Ancient Greek προσθήκη, πρόσθεσις
- προσθήκη (prosthḗkē)thing added
- πρόσθεσις (prósthesis)arithmetic: process of adding
Arabic إضَافَة, مُضَاف
- إضَافَة (ʔiḍāfa)act of adding
- مُضَاف (muḍāf)thing added
- جَمْع (jamʕ)arithmetic: process of adding
Basque batuketa
- batuketaarithmetic: process of adding
Bulgarian приба́вяне, доба́вка
- приба́вяне (pribávjane)act of adding
- доба́вка (dobávka)thing added
- приба́вка (pribávka)thing added
- съби́ране (săbírane)arithmetic: process of adding
- събираемо (săbiraemo)arithmetic: thing added
Catalan addició, addició
- addicióact of adding
- addicióthing added
- addicióarithmetic: process of adding
- sumaarithmetic: process of adding
Chinese Mandarin 增加, 添加
- 增加 (zēngjiā)act of adding
- 添加 (tiānjiā)act of adding
- 附加 (fùjiā)act of adding
- 加法 (jiāfǎ)arithmetic: process of adding
- 添加 (tiānjiā)arithmetic: process of adding
Czech přídavek, sčítání
- přídavekthing added
- sčítáníarithmetic: process of adding
Danish addition
- additionarithmetic: process of adding
Dutch toevoeging, toevoeging
- toevoegingact of adding
- toevoegingthing added
- optellenarithmetic: process of adding
- sommerenarithmetic: process of adding
- optellingarithmetic: thing added
- sommeringarithmetic: thing added
Esperanto aldono, alaĵo
- aldonothing added
- alaĵothing added
- aldonaĵothing added
Estonian liitmine
- liitminearithmetic: process of adding
Finnish lisäys, additio
- lisäysact of adding
- additioact of adding
- lisäysthing added
- yhteenlaskuarithmetic: process of adding
- yhteenlaskettavaarithmetic: thing added
French addition, addition
- additionact of adding
- additionthing added
- ajoutthing added
- additionarithmetic: process of adding
German Zufügung, Hinzufügung
- Zufügungact of adding
- Hinzufügungact of adding
- Zusatzthing added
- Additionarithmetic: process of adding
- Summantarithmetic: thing added
Greek πρόσθεση, πρόσθεση
- πρόσθεση (prósthesi)act of adding
- πρόσθεση (prósthesi)thing added
- πρόσθεση (prósthesi)arithmetic: process of adding
Hebrew הוֹסָפָה, צירוף
- הוֹסָפָה (hosafa)act of adding
- צירוף (tseruf)act of adding
- תּוֹסֶפֶת (toséfet)thing added
- חִיבּוּרarithmetic: process of adding
- חִבּוּר (hibúr)arithmetic: process of adding
Hindi जोड़
- जोड़ (joṛ)arithmetic: process of adding
Hungarian hozzáadás, hozzáfűzés
- hozzáadásact of adding
- hozzáfűzésact of adding
- kiegészítésact of adding
- bővítésact of adding
- bővülésact of adding
- adalékthing added
- kiegészítésthing added
- toldásthing added
- toldalékthing added
- pótlékthing added
- bővítésthing added
- bővülésthing added
Icelandic viðbót, viðbót
- viðbótact of adding
- viðbótthing added
- samlagningarithmetic: process of adding
Indonesian penambahan, penambahan
- penambahanact of adding
- penambahanarithmetic: process of adding
- penjumlahanarithmetic: process of adding
Irish breis, agús
- breisthing added
- agústhing added
Italian addizione, aggiunta
- addizioneact of adding
- aggiuntathing added
- addizionearithmetic: process of adding
Japanese 付加, 追加
- 付加 (fuka)act of adding
- 追加 (tsuika)act of adding
- 建て増し (tatemashi)thing added
- 足し算 (tashizan)arithmetic: process of adding
- 加法 (kahō)arithmetic: process of adding
Korean 추가, 부가
- 추가 (chuga)act of adding
- 부가 (buga)act of adding
- 가미 (gami)act of adding
- 추가분 (chugabun)thing added
- 부가물 (bugamul)thing added
- 더하기 (deohagi)arithmetic: process of adding
- 덧셈 (deotsem)arithmetic: process of adding
- 가산 (gasan)arithmetic: process of adding
Latin additio, appendix
- additioact of adding
- appendixthing added
Latvian pielikums, saskaitīšana
- pielikumsact of adding
- saskaitīšanaarithmetic: process of adding
Lithuanian sudėtis, priedas
- sudėtisarithmetic: process of adding
- priedasarithmetic: process of adding
Malay penambahan, penambahan
- penambahanact of adding
- penambahanarithmetic: process of adding
- penjumlahanarithmetic: process of adding
Māori tāpiritanga
- tāpiritangaarithmetic: process of adding
Norwegian tillegg
- tilleggact of adding
Norwegian Bokmål legge til, tilføye
- legge tilact of adding
- tilføyeact of adding
- tilleggthing added
- addisjonarithmetic: process of adding
- plussarithmetic: process of adding
Persian جَمْع, جَمْع
- جَمْع (jam')act of adding
- جَمْع (jam')arithmetic: process of adding
Polish dodawanie, dodatek
- dodawanieact of adding
- dodatekthing added
- dodawaniearithmetic: process of adding
- składnik sumyarithmetic: thing added
Portuguese adição, acréscimo
- adiçãoact of adding
- acréscimothing added
- adiçãoarithmetic: process of adding
- somaarithmetic: process of adding
Romanian adaos, adăugire
- adaosact of adding
- adăugireact of adding
- adunarearithmetic: process of adding
Russian сложе́ние, прибавле́ние
- сложе́ние (složénije)act of adding
- прибавле́ние (pribavlénije)act of adding
- сложе́ние (složénije)arithmetic: process of adding
Slovak sčítanie
- sčítaniearithmetic: process of adding
Spanish adición, añadidura
- adiciónact of adding
- añadiduraact of adding
- adiciónthing added
- añadidurathing added
- aditamentothing added
- añadidothing added
- sumaarithmetic: process of adding
- adiciónarithmetic: process of adding
Swedish tillskott, addition
- tillskottthing added
- additionarithmetic: process of adding
Tagalog palaragdagan
- palaragdaganarithmetic: process of adding
Tamil சேர்த்தல், கூட்டல்
- சேர்த்தல் (cērttal)act of adding
- கூட்டல் (kūṭṭal)act of adding
- சேர்ப்பு (cērppu)thing added
- கூட்டல் (kūṭṭal)arithmetic: process of adding
- கூட்டெண் (kūṭṭeṇ)arithmetic: thing added
Thai การบวก
- การบวก (gaan-bùuak)arithmetic: process of adding
Ukrainian додава́ння
- додава́ння (dodavánnja)arithmetic: process of adding
Vietnamese phép cộng
- phép cộngarithmetic: process of adding
Welsh adiad, ychwanegiad
- adiadact of adding
- ychwanegiadthing added
Rhymes & wordplay
Rhymes with addition
editionpositioncommissionconditionmissionpermissionnutritiontransmissionsubmissiontransitionacquisitionadmissionexhibitiontraditiontuitionemissionpartitionpropositionmusicianexpeditionignitionprohibitioninhibitionpolitician
All rhymes →Sounds the same
edition (weak vowel merger)
Cite this entry
APA
addition. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/addition
MLA
“addition.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/addition. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “addition,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/addition.
Source: addition on Wiktionary, CC BY-SA 4.0.